.TH "libnvme" 9 "struct nvme_mi_msg_hdr" "July 2025" "API Manual" LINUX
.SH NAME
struct nvme_mi_msg_hdr \- General MI message header.
.SH SYNOPSIS
struct nvme_mi_msg_hdr {
.br
.BI "    __u8 type;"
.br
.BI "    __u8 nmp;"
.br
.BI "    __u8 meb;"
.br
.BI "    __u8 rsvd0;"
.br
.BI "
};
.br

.SH Members
.IP "type" 12
MCTP message type, will always be NVME_MI_MSGTYPE_NVME
.IP "nmp" 12
NVMe-MI message parameters (including MI message type)
.IP "meb" 12
Management Endpoint Buffer flag; unused for libnvme-mi implementation
.IP "rsvd0" 12
currently reserved
.SH "Description"
Wire format shared by both request and response messages, per NVMe-MI
section 3.1. This is used for all message types, MI and Admin.
